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This regime dominated by normal dip-slip faults. A vertical σ₃ is classified as a thrust regime. These are dominated by reverse dip-slip faults with σ₁ once again parallel to motion. The third regime is characterized by a vertical σ₂ and dominated by both left lateral and right lateral strike-slip faults. [2] Observed normal fault dip ...
A fault which has a component of dip-slip and a component of strike-slip is termed an oblique-slip fault. Nearly all faults have some component of both dip-slip and strike-slip; hence, defining a fault as oblique requires both dip and strike components to be measurable and significant.
In nature, linear features are uncommon and can help identify geologic features like faults because of their linear fault traces. [2] Dip separation can also occur when motion of the fault is perpendicular to the fault trace. That is, the fault blocks are pulled away from each other or pushed towards each other. This is known as a dip-slip ...
A feature's orientation can also be represented by dip and dip direction, using the azimuth of the dip rather than the strike value. Linear features are similarly measured with trend and plunge, where "trend" is analogous to dip direction and "plunge" is the dip angle. [3] Strike and dip are measured using a compass and a clinometer. A compass ...
It is unlikely that a deforming body will experience 'pure' extension or 'pure' strike-slip. Transtensional shear zones are characterized by the co-existence of different structures, related to both strike-slip shear and extension. End member structures include pure strike-slip faults and purely extensional ("normal") dip-slip faults. Faults ...
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A thrust fault is a type of reverse fault, in which the rock above the fault is displaced upwards relative to the rock below the fault. This distinguishes reverse faults from normal faults , where the rock above the fault is displaced downwards, or strike-slip faults , where the rock on one side of the fault is displaced horizontally with ...
This list covers all faults and fault-systems that are either geologically important [clarification needed] or connected to prominent seismic activity. [clarification needed] It is not intended to list every notable fault, but only major fault zones.